How to read an architecture diagram without knowing how to code
Follow one request through the boxes, and at each one ask what it does and what it costs.
· 4 min read
Articles
System design, explained for product managers. No code required.
How technical does a product manager really need to be in 2026?
Not production code — reading a system well enough to name its tradeoffs, AI parts included.
· 6 min read
CAP theorem for product managers, in plain English
When the network breaks you pick stale data or errors — and that is your call, not engineering's.
· 6 min read
How to answer "design a URL shortener" as a PM
Walk the click through three pieces, add a cache, and name the tradeoff out loud.
· 5 min read
What "AI PM" actually means: evals, agents, and observability
Three skills under the title — evals, agents, observability — and the cost each one carries.
· 5 min read
The system design questions PMs actually get asked
The round nobody warns you about — and the one move that answers all five questions.
· 4 min read
Practise the motion, free.
Drag a system onto the canvas, get it reviewed by AI in thirty seconds. Module 1 is free — no code, no cohort.
Start Module 1 — free